Base | Representation |
---|---|
bin | 100100101110000110… |
… | …001011110100110101 |
3 | 10202202210212221020120 |
4 | 210232012023310311 |
5 | 1121222042011101 |
6 | 30040224322153 |
7 | 2564031066231 |
oct | 445606136465 |
9 | 122683787216 |
10 | 39428078901 |
11 | 157a3139282 |
12 | 7784473359 |
13 | 3944738403 |
14 | 1ca06535c1 |
15 | 105b6b3b36 |
hex | 92e18bd35 |
39428078901 has 32 divisors (see below), whose sum is σ = 54974360448. Its totient is φ = 25112156160.
The previous prime is 39428078891. The next prime is 39428078909. The reversal of 39428078901 is 10987082493.
39428078901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 39428078901 - 27 = 39428078773 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39428078909) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3560365 + ... + 3571421.
It is an arithmetic number, because the mean of its divisors is an integer number (1717948764).
Almost surely, 239428078901 is an apocalyptic number.
It is an amenable number.
39428078901 is a deficient number, since it is larger than the sum of its proper divisors (15546281547).
39428078901 is a wasteful number, since it uses less digits than its factorization.
39428078901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11701.
The product of its (nonzero) digits is 870912, while the sum is 51.
The spelling of 39428078901 in words is "thirty-nine billion, four hundred twenty-eight million, seventy-eight thousand, nine hundred one".
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